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We no longer support Windows 95, 98, ME or NT. We do support 2000, XP and Vista. We do not support 64-bit windows operating systems (#1884).

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We no longer support Windows 95, 98, ME or NT. We do support 2000, XP and Vista.

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== Building 32-bit Windows programs ==

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Current releases of GHC support building 32bit programs on Windows. They ship with a small [http://mingw.org/ MinGW] system bundled, which provides tools (such as a C compiler, linker and assembler) that are used by the compiler.

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== Building 64-bit Windows programs ==

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No current release of GHC supports building 64bit programs on Windows, but there is an [http://www.haskell.org/ghc/dist/win64_alpha1/ alpha release] that does, and it is expected that from GHC 7.6 it will be a supported platform.

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It includes a small [http://mingw-w64.sourceforge.net/ MinGW-w64] system, which provides tools (such as a C compiler, linker and assembler) that are used by the compiler.

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There are currently no known bugs that are specific to 64-bit Windows. If you encounter any problems, please [http://hackage.haskell.org/trac/ghc/wiki/ReportABug file a bug].